Publisher： Cambridge University Press
E-ISSN： 1759-0795|4|3|387-397
ISSN： 1759-0787
Source： International Journal of Microwave and Wireless Technologies, Vol.4, Iss.3, 2012-06, pp. : 387-397
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Abstract
A new setup is proposed for the measurement of current–voltage pulsed characteristics of electron devices. The main advantages of the system consist in: shorter pulse widths through generation in a 50-Ω environment, simple average current monitoring through separation of the direct and alternate current paths, setting of average voltage values independently of pulse amplitudes and duty cycle, and stability of the setup guaranteed by wide-band dissipative terminations. The system is used for the characterization of dispersive effects due to carrier energy traps and thermal phenomena in GaAs and GaN on SiC field effect transistors. The basic differences between the two technologies are highlighted in the paper.
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